| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Hartston vs N J Kalton |
| 0-1 | 23 |
1962 |
Correspondence game | C38 King's Gambit Accepted |
| 2. N J Kalton vs Hartston |
| 1-0 | 27 |
1962 |
Correspondence game | B06 Robatsch |
| 3. Keene vs N J Kalton |
 | 0-1 | 37 |
1963 |
Match, Bromley | D30 Queen's Gambit Declined |
| 4. N J Kalton vs Keene |
 | 1-0 | 25 |
1963 |
Match game 3, Bromley | B16 Caro-Kann, Bronstein-Larsen Variation |
| 5. N J Kalton vs J N Sugden |
 | 1-0 | 24 |
1964 |
School match | E93 King's Indian, Petrosian System |
| 6. R C Lemon vs N J Kalton |
| 0-1 | 32 |
1964 |
London Junior Championship | B94 Sicilian, Najdorf |
| 7. Keene vs N J Kalton |
| 0-1 | 43 |
1964 |
Training tournament, London | D14 Queen's Gambit Declined Slav, Exchange Variation |
| 8. N J Kalton vs D P Thompson |
| 1-0 | 27 |
1966 |
Cambridge U. Championship | E12 Queen's Indian |
| 9. J W Ologhlen vs N J Kalton |
| 0-1 | 24 |
1966 |
Trinity vs. Emmanuel | A97 Dutch, Ilyin-Genevsky |
| 10. A R Bracher vs N J Kalton |
| 0-1 | 31 |
1966 |
Training match | D50 Queen's Gambit Declined |
| 11. D Lees vs N J Kalton |
| 0-1 | 36 |
1967 |
Whitby Open | A97 Dutch, Ilyin-Genevsky |
| 12. P N Kington vs N J Kalton |
| 0-1 | 45 |
1967 |
British Universities Chess Association | A84 Dutch |
| 13. K M Southern vs N J Kalton |
| 0-1 | 24 |
1968 |
Trinity vs. Jesus | B03 Alekhine's Defense |
| 14. N J Kalton vs R W Morgan |
| 1-0 | 36 |
1968 |
Cambridge U. Championship | B45 Sicilian, Taimanov |
| 15. R S MacFarland vs N J Kalton |
| 0-1 | 22 |
1970 |
Major Open | C83 Ruy Lopez, Open |
| 16. D Tudhope vs N J Kalton |
| 0-1 | 23 |
1976 |
Club match | A00 Uncommon Opening |
| 17. N J Kalton vs K Rust |
| 1-0 | 36 |
1996 |
Match | B06 Robatsch |